EP2586881A3 - Method for producing a moulded part from high-strength steel - Google Patents

Method for producing a moulded part from high-strength steel Download PDF

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Publication number
EP2586881A3
EP2586881A3 EP11009503.1A EP11009503A EP2586881A3 EP 2586881 A3 EP2586881 A3 EP 2586881A3 EP 11009503 A EP11009503 A EP 11009503A EP 2586881 A3 EP2586881 A3 EP 2586881A3
Authority
EP
European Patent Office
Prior art keywords
producing
heated
strength steel
forming
tool
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP11009503.1A
Other languages
German (de)
French (fr)
Other versions
EP2586881B1 (en
EP2586881A2 (en
Inventor
Gerhard Heuel
Winfried Freitag
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GEDIA Gebrueder Dingerkus GmbH
Original Assignee
GEDIA Gebrueder Dingerkus GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GEDIA Gebrueder Dingerkus GmbH filed Critical GEDIA Gebrueder Dingerkus GmbH
Publication of EP2586881A2 publication Critical patent/EP2586881A2/en
Publication of EP2586881A3 publication Critical patent/EP2586881A3/en
Application granted granted Critical
Publication of EP2586881B1 publication Critical patent/EP2586881B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62—Quenching devices
    • C21D1/673—Quenching devices for die quenching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/02—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/065—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes starting from a specific blank, e.g. tailored blank
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20—Deep-drawing
    • B21D22/208—Deep-drawing by heating the blank or deep-drawing associated with heat treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/005—Processes combined with methods covered by groups B21D1/00 - B21D31/00 characterized by the material of the blank or the workpiece
    • B21D35/006—Blanks having varying thickness, e.g. tailored blanks
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2221/00—Treating localised areas of an article

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Heat Treatment Of Articles (AREA)
  • Forging (AREA)
  • Heat Treatment Of Steel (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

Um ein Verfahren zur Herstellung eines Formteiles aus vorzugsweise hochfestem oder höchstfestem Stahl, wobei eine Platine (1) aus härtbarem Stahl auf Austenitisierungstemperatur erwärmt wird, die erwärmte Platine (1) in einem Umformwerkzeug warmumgeformt und im Werkzeug oder anschließend an den Formgebungsvorgang durch schnelle Abkühlung gehärtet wird, so dass das ferritische Gefüge des erwärmten Ausgangsmaterials in martensitisches Gefüge umgewandelt wird, zu schaffen, bei dem besonders hoch beanspruchbare Zonen am fertigen Formteil ausgebildet sind, dass dabei kostengünstig und einfach herstellbar ist, wird vorgeschlagen, dass während der Umformung die Platine (1) gleichzeitig verpresst wird, so dass Abschnitte oder Zonen (2,3,4) mit unterschiedlicher Materialdicke erzeugt werden.

Figure imgaf001
In order to obtain a method for producing a molded article of preferably high-strength or ultrahigh-strength steel, wherein a hardened steel board (1) is heated to austenitizing temperature, the heated blank (1) is hot-formed in a forming tool and hardened in the tool or subsequent to the forming operation by rapid cooling is, so that the ferritic microstructure of the heated starting material is converted into martensitic structure to create, in which particularly high-stress zones are formed on the finished molded part that is inexpensive and easy to produce, it is proposed that during the forming of the board (1 ) is pressed at the same time, so that sections or zones (2,3,4) are produced with different material thickness.
Figure imgaf001
EP11009503.1A 2011-10-28 2011-12-01 Method for producing a moulded part from high-strength steel Active EP2586881B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011117265A DE102011117265A1 (en) 2011-10-28 2011-10-28 Process for producing a molded part from high-strength or ultra-high-strength steel

Publications (3)

Publication Number Publication Date
EP2586881A2 EP2586881A2 (en) 2013-05-01
EP2586881A3 true EP2586881A3 (en) 2017-05-10
EP2586881B1 EP2586881B1 (en) 2019-02-06

Family

ID=45318763

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11009503.1A Active EP2586881B1 (en) 2011-10-28 2011-12-01 Method for producing a moulded part from high-strength steel

Country Status (2)

Country Link
EP (1) EP2586881B1 (en)
DE (1) DE102011117265A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013014814A1 (en) 2013-09-05 2015-03-05 Technische Universität Bergakademie Freiberg Process for producing a high-strength or high-strength molded part made of hardenable steel
JP6388084B2 (en) * 2016-05-18 2018-09-12 新日鐵住金株式会社 Production method and production line for press-formed products

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007030388A1 (en) * 2007-06-29 2008-02-21 Daimler Ag Method for the production of a hardened sheet metal component comprises deforming a flexible rolled metal strip with different thickness regions in a deforming tool and pressure hardening
EP2111937A1 (en) * 2008-04-23 2009-10-28 Benteler Automobiltechnik GmbH Method for manufacturing sheet metal circuit boards varying in thickness
DE102009025821A1 (en) * 2009-05-18 2010-12-02 Thyssenkrupp Steel Europe Ag Method for producing a metal component
AT509597A4 (en) * 2010-06-30 2011-10-15 Ebner Ind Ofenbau METHOD AND DEVICE FOR PRODUCING A SHAPE COMPONENT

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007030388A1 (en) * 2007-06-29 2008-02-21 Daimler Ag Method for the production of a hardened sheet metal component comprises deforming a flexible rolled metal strip with different thickness regions in a deforming tool and pressure hardening
EP2111937A1 (en) * 2008-04-23 2009-10-28 Benteler Automobiltechnik GmbH Method for manufacturing sheet metal circuit boards varying in thickness
DE102009025821A1 (en) * 2009-05-18 2010-12-02 Thyssenkrupp Steel Europe Ag Method for producing a metal component
AT509597A4 (en) * 2010-06-30 2011-10-15 Ebner Ind Ofenbau METHOD AND DEVICE FOR PRODUCING A SHAPE COMPONENT

Also Published As

Publication number Publication date
DE102011117265A1 (en) 2013-05-02
EP2586881B1 (en) 2019-02-06
EP2586881A2 (en) 2013-05-01

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